Traditional oscilloscopes overtaken by multifunction I/O devices
February 2003
Data Acquisition & Telemetry
National Instruments extends its simultaneous sampling multifunction I/O family with the introduction of its fastest 16-bit multifunction data acquisition (DAQ) devices for PXI and PCI. With the NI 6120 family of multifunction I/O DAQ devices, engineers and scientists can capture waveforms with better vertical resolution and frequency resolution than with traditional oscilloscopes.
The devices deliver 16-bit analog input at 800 kS/s on each of four channels for both transient measurements and frequency domain measurements. Users can synchronise onboard digital I/O and waveform output with the devices' 16-bit waveform acquisition for mixed signal and stimulus-response applications. These capabilities make the NI 6120 family an alternative to higher-priced standalone instruments for many applications that require flexible channel counts and synchronisation.
The NI PXI-6120 and NI PCI-6120 multifunction I/O devices come with 64 million samples of onboard memory to ensure data integrity. They also feature two 16-bit analog output channels, eight digital I/O lines, and two counter/timers. With the devices, engineers and scientists in research and design can record signals at a high resolution for a variety of applications, including frequency domain analysis.
The NI 6120 simultaneous sampling multifunction I/O devices come with NI-DAQ 6.9 driver software, a powerful programming interface for use with numerous programming environments and languages. Through NI-DAQ 6.9, the new devices integrate with popular application development environments, including NI LabVIEW, NI Measurement Studio for Visual Studio, Microsoft Visual C++, and Microsoft Visual Basic.
NI leads the industry movement to 16-bit DAQ devices by combining custom digital ASICs and custom analog input and output design to optimise, control, and enhance the performance of commercial off-the-shelf 16-bit analog to digital and digital to analog converters. NI 16-bit DAQ devices for PXI, PCI, FireWire, and PCMCIA deliver 16 times better resolution and significantly better accuracy at a marginal price difference when compared to 12-bit DAQ products.
For more information contact National Instruments South Africa, 011 805 8197, [email protected]
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